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In the latest glimpse at "G.I. Joe: Retaliation," Dwayne Johnson, Bruce Willis and Channing Tatum face a double threat from Cobra and the U.S. government

The latest trailer for the upcoming action film "G.I. Joe: Retaliation" has exploded onto the Internet with megaton force, offering a further look at the movie, which hits theaters March 29.

This time out, Channing Tatum's Captain Duke Hauser is joined by Bruce Willis as Joe Colton and Dwayne Johnson as Roadblock, and it appears that the stakes have been raised since 2009's "G.I. Joe: The Rise of Cobra." This time out, the Joes must not only contend with their sworn enemies Cobra, but a threat from within the U.S. government that jeopardizes their very existence.

And here you probably thought that falling off the fiscal cliff was a scary proposition…